package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author：shaodan.wang
 * @date: 2022-04-25
 */

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService  categoryService;

    //新增菜品
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("category: {}" ,category);
        categoryService.save(category);
        return R.success("新增分类成功！");
    }

    @GetMapping("/page")
    public R<Page> page(@RequestParam int page,@RequestParam int pageSize,String name){
        //构造分页构造器
        Page<Category> pageInfo = new Page(page,pageSize);

        //构造条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Category::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Category::getUpdateTime);

        //执行查询
        categoryService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类，id为：{}",id);

//        categoryService.removeById(id);
        categoryService.remove(id);

        return R.success("分类信息删除成功");
    }


    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息：{}",category);

        categoryService.updateById(category);

        return R.success("修改分类信息成功");
    }

    /**
         * 根据条件查询分类数据
         * @param category
         * @return
         */
        @GetMapping("/list")
        public R<List<Category>> list(Category category){
            log.info(category.toString());
            //条件构造器
            LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
            //添加条件
            queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
            //添加排序条件
            queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

            List<Category> list = categoryService.list(queryWrapper);
            return R.success(list);
    }
}
